Sanyo S1 User Manual page 41

In-Call Options
Pressing Options (right softkey) during a call displays a list of features you
may use during the call.To select an option, press the corresponding keypad
number or highlight the option and press
available through the Options menu:
Flash to answer an incoming Call Waiting call or to connect a third party
during Three-Way Calling.
Mute or Unmute to mute or reactivate your phone's microphone.
Transfer Audio to switch the call to an external device (if applicable).
Speaker On or Speaker Off routes the phone's audio through the
speaker or through the earpiece.
Select Speaker On to route the phone's audio through the
speaker. (You can adjust the speaker volume using the side
volume key.)
Select Speaker Off to use the phone's earpiece.
Because of higher volume levels,do not place the phone near your
WARNING
ear during speakerphone use.
Three-Way Call to call a third party.
Missed Alerts to display missed notifications.
Call History to access the Call History menu.
Contacts to access the Contacts menu.
Messaging to access the Messaging menu.
Tools to access the Tools menu.
Settings to access the Settings menu.
During a call, the left softkey functions as the Mute key. Press the left
Tip
softkey to mute the phone's microphone for privacy. Press it again to
unmute the phone.
.The following options are
Section 2A: Phone Basics 27